 |
| |||
| supervisory training | |||
| подготовка технического персонала: 8 phrases in 5 subjects |
| Energy industry | 1 |
| Metallurgy | 1 |
| Military | 4 |
| Mining | 1 |
| Technology | 1 |
|
| |||
| supervisory training | |||
| подготовка технического персонала: 8 phrases in 5 subjects |
| Energy industry | 1 |
| Metallurgy | 1 |
| Military | 4 |
| Mining | 1 |
| Technology | 1 |